[postgis-users] lwpostgis.sql and liblwgeom.so

[Paul Ramsey]

You've got a mismatch between your GEOS version and your postgis
version. Try upgrading your geos version.

P

On Thu, Oct 2, 2008 at 7:18 AM, ROBERT HOLLINGSWORTH <reh2 at prodigy.net> wrote:
> I'm new to building postgresql and postgis, and have run into a problem
> that, from googles on the subject, may be the same or similar to what other
> people have run into when installing lwpostgis.sql:
>
> ==================================
> psql:/usr/local/pgsql/share/lwpostgis2.sql:44: NOTICE:  type "histogram2d"
> is not yet defined
> DETAIL:  Creating a shell type definition.
> psql:/usr/local/pgsql/share/lwpostgis2.sql:44:
>
> ERROR:  could not load library
>  "/usr/local/pgsql/lib/liblwgeom.so"
>
> : /usr/local/pgsql/lib/liblwgeom.so: undefined
> symbol: GEOSTopologyPreserveSimplify
>
> psql:/usr/local/pgsql/share/lwpostgis2.sql:50: ERROR:  current transaction
> is ab
> orted, commands ignored until end of transaction block
> ...
> ==================================
> this is being done on a fedora system, I built postgresql and proj and geos
> and postgis from source. and ran the createlang plpgsql successfully
>
> the other references to this problem suggest running ldconfig to repair the
> problem.  I added /usr/local/pgsql/lib to the /etc/ld.so.conf  and ran
> ldconfig; it's output shows
> liblwgeom.so.1 -> liblwgeom.so.1.3
> (while my error from lwpostgis.sql complains can't open liblwgeom.so.
> liblwgeom.so is also a symbolic link to the .1.3)
>
> Is this really a problem linking with geos?  ran ldd on liblwgeom.so:
> =================================
>
>  ldconfig -v | grep geos
>         libgeos_c.so.1 -> libgeos_c.so.1.1.1
>         libgeos.so.2 -> libgeos.so.2.2.3
>
>  ldd /usr/local/pgsql/lib/liblwgeom.so
>         libgeos_c.so.1 => /usr/lib/libgeos_c.so.1 (0x00172000)
>         libproj.so.0 => /usr/lib/libproj.so.0 (0x0017f000)
>         libgeos.so.2 => /usr/lib/libgeos.so.2 (0x0030f000)
>         libstdc++.so.6 => /usr/lib/libstdc++.so.6 (0x00414000)
>
> =================================
> anyway, I'm at a loss and any help would be appreciated.
>
> thanks,
> Robert H.
>
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